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The Bruce Murray Space Image Library

Recurring slope lineae (RSL) in Newton Crater, Mars

Recurring slope lineae (RSL) in Newton Crater, Mars

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NASA / JPL / UA / Emily Lakdawalla

Recurring slope lineae (RSL) in Newton Crater, Mars
Recurring slope lineae are narrow (0.5-5 m wide), relatively dark-toned features that form on steep (25-40˚), southern-hemisphere slopes, and that appear in early spring, grow longer in the downslope direction during spring and summer, and fade during autumn and winter.

Original HiRISE image

Color data has been overlaid on higher-resolution red-channel data. The red-channel data was sharpened first.

Read more about this image and recurring slope lineae here.

Here is a comparison of the same crater wall on two different dates.

This image is in the public domain.

Original image data dated on or about May 30, 2011

Explore related images: pretty pictures, amateur image processing, Mars, Mars Reconnaissance Orbiter

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